Investigating Space

Investigating Space
The temperature at the center of sun is about
40,000 °C
50,000 °C
15 millions °C
150,000 °C
Author: rikazzz Comment
Investigating Space
In a plane mirror, light is reflected through
eyepiece lens
convex lens
concave lens
light mirror
Author: rikazzz Comment
Investigating Space
In our galaxy, there are about
1000 stars
2000 stars
500,000 million stars
500 million stars
Author: rikazzz Comment
Investigating Space
Ptolemy lived from 120 AD to
170 AD
180 AD
190 AD
200 AD
Author: rikazzz Comment
Investigating Space
Name of the American space probe is
Ulysses
Helios A
Helios B
Genesis
Author: rikazzz Comment
Investigating Space
The best way to study sun is to send
space probes
spacecraft
space shuttles
jets
Author: rikazzz Comment
Investigating Space
The expansion of universe is slowing down due to
heat
comets
light
gravity
Author: rikazzz Comment
Investigating Space
In space besides stars, there is also a huge capacity of dust and
asteroids
meteoroids
gases
vacuum
Author: rikazzz Comment
Investigating Space
Sunspots are not always at the same place on the
galaxy
earth
moon
sun
Author: rikazzz Comment
Investigating Space
The sun is too close to earth, this is why it looks
yellow
small
large
orange
Author: rikazzz Comment

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